package main

import "fmt"

func main() {
	//new 函数返回传入类型的指针
	var a *int
	a = new(int)
	*a = 100

	//	make 创建 slice map 还有 learn-channel
	var b map[string]int
	b = make(map[string]int, 10)
	fmt.Print(b)
}
